<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="../../js/vue.js"></script>
</head>

<body>
    <div id="root">
        <h1>人员列表</h1>
        <input type="text" placeholder="请输入名字" v-model="keyWords">
        <button @click="sortType=2">年龄升序</button>
        <button @click="sortType=1">年龄降序</button>
        <button @click="sortType=0">原顺序</button>
        <ul>
            <li v-for="value in filPersons" :key="value.id">
                {{value.name}}-{{value.age}}-{{value.sex}}
            </li>
        </ul>
    </div>
    <script>
        Vue.config.productionTip = false //取消生产提示

        const vm = new Vue({
            el: '#root',
            data() {
                return {
                    keyWords: '',
                    sortType: 0, //0是原顺序，1降序 2升序
                    persons: [{
                            id: '001',
                            name: '马冬梅',
                            age: 30,
                            sex: '女'
                        },
                        {
                            id: '002',
                            name: '周冬雨',
                            age: 18,
                            sex: '女'
                        },
                        {
                            id: '003',
                            name: '周杰伦',
                            age: 20,
                            sex: '男'
                        },
                        {
                            id: '004',
                            name: '温兆伦',
                            age: 15,
                            sex: '男'
                        },
                    ],
                }
            },
            computed: {
                filPersons() {
                    const arr = this.persons.filter((p) => {
                        return p.name.indexOf(this.keyWords) !== -1
                    })
                    if (this.sortType) {
                        arr.sort((a, b) => {
                            return this.sortType === 1 ? b.age - a.age : a.age - b.age
                        })
                    }
                    return arr
                }
            },
        })
    </script>
</body>

</html>